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Finding the Fourth Proportional to 271,321.82, 373,992.68 and 213,867.98

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Solution

The fourth proportional to 271,321.82, 373,992.68 and 213,867.98 is: 294,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,321.82 : 373,992.68 = 213,867.98 : x
  2. Step 2: Convert to fraction form
    271,321.82/373,992.68 = 213,867.98/x
  3. Step 3: Cross multiply
    271,321.82x = 373,992.68 × 213,867.98
  4. Step 4: Simplify right side
    271,321.82x = 79,985,059,006.39
  5. Step 5: Solve for x
    x = 79,985,059,006.39/271,321.82
  6. Step 6: Final answer
    x = 294,797.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.